Subtract 21/48 from 40/12
1st number: 3 4/12, 2nd number: 21/48
40/12 - 21/48 is 139/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
40/12 = 40 × 4/12 × 4 = 160/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
160/48 - 21/48 = 160 - 21/48 = 139/48 - In mixed form: 243/48
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